Log Message:
update kplex; from the ChangeLog:

 v1.3.1

 Released 27th September 2015

 - Fixed various uninitialised pointer fixes
 - Updated Makefile for OpenWRT and github builds
 - Accept NULL as a sentence terminator with "strict=no"
 - Fixed problem with non-truncation of output files
 - Better guessing of UDP interface parameters
 - Define ACCESSPERMS, remove redundant declarations, add header guards
 - Fixed bug in source filtering
 - Added option to re-enable nagle for TCP interfaces
 - "-d" flag now documented with additional debugging
 - Default queue sizes reduced and SNDBUF size reduced
 - Added optional interface to filter rules

 v1.3

 Released 15th April 2015

 - Added udp interface type
 - Added "strict" option and potential for looser parsing constraints
 - Added "preamble" option to tcp interfaces
 - Added AIS coalescing
 - Fixed bugs in failover specification parsing
 - Fixed file output to non-pre-existing files